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Tyco Fire & Security FLAMEVision FV421i Product Application Manual

Intrinsically safe flame detector
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FLAMEVision, FV421i Intrinsically Safe Flame Detector, Product Applica-
FLAMEVision
FV421i
Intrinsically Safe
Flame Detector
Product Application and
Design Information
120.515.203_FV-D-421i-A
Doc. version 6.0
28. July 2021

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Summary of Contents for Tyco Fire & Security FLAMEVision FV421i

  • Page 1 FLAMEVision FV421i Intrinsically Safe Flame Detector FLAMEVision, FV421i Intrinsically Safe Flame Detector, Product Applica- Product Application and Design Information 120.515.203_FV-D-421i-A Doc. version 6.0 28. July 2021...
  • Page 2 © 2021 Tyco Fire & Security GmbH All rights reserved. All specifications and other information shown were current as of document revision date and are subject to change without notice. Tyco Fire & Security GmbH, Victor von Bruns-Strasse 21, 8212 Neuhausen am Rheinfall, Switzerland...
  • Page 3 FlameVision Flame Detectors FV421i Contents Contents Introduction ......................6 About this Guide ......................6 1.1.1 Who this Guide is For ..........................6 1.1.2 What this Guide Covers ..........................6 1.1.3 What this Guide does not Cover....................... 6 Overview ........................6 Typical Features ......................6 1.3.1 Detection ..............................
  • Page 4 Contents FlameVision Flame Detectors FV421i 4.7.5 Marking ..............................20 Operation ......................21 Flame Detection Operation ..................21 Indicators ........................21 5.2.1 Power Up and Initialization ........................21 5.2.2 Quiescent ............................... 21 5.2.3 Pre-Alarm ..............................21 5.2.4 Alarm Signalling ............................21 5.2.5 Reset from Alarm ........................... 22 5.2.6 Pre-Alarm Signalling ..........................
  • Page 5 FlameVision Flame Detectors FV421i Contents 9.5.4 Functional Safety Parameters ......................... 35 Product Application & Design Information Doc. version 6.0...
  • Page 6 1 Introduction FlameVision Flame Detectors FV421i Introduction This guide provides detailed information on the use of options are set using the PC-based PC400 configuration the FV421i intrinsically safe flame detector. tool and CTI420 detector interface unit. Reference Document About this Guide For information on how to configure the 1.1.1 Who this Guide is For...
  • Page 7 FlameVision Flame Detectors FV421i 1.3 Typical Features 1.3.4 Mechanical  MX Loop  Conventional Interface  Rugged two part stainless steel 316L housing sealed to IP66 for use in harsh environments.  MODBUS (RS485) interface  The back box has two M20 gland entries for cables ...
  • Page 8 Flame Detection and False Alarm Immunity FlameVision Flame Detectors FV421i Flame Detection and False Alarm Immunity Flame Detection 2.1.1 Detection Range Operation The FV400 detector’s range can detect on axis a fully developed 0.1 m n-heptane or petrol (gasoline) pan fire The FV400 Series of detectors are designed to provide at a range of: fast, reliable detection of fires from burning...
  • Page 9 FlameVision Flame Detectors FV421i False Alarm Immunity Alarm Threshold Flame Signals Blackbody Signals Cross-Correlated Energy Fig. 3: Signal Processing 2.2.2 Immunity to Solar Radiation flame in a very narrow waveband where most of the sun radiation is absorbed by CO gases in the atmosphere.
  • Page 10 3 Application FlameVision Flame Detectors FV421i Application General  The detector should not be sited in a position where: – It will be continuously subjected to water drench- The FV421i detector is intended for the protection of ing. high-risk areas where combustion produces carbon –...
  • Page 11 FlameVision Flame Detectors FV421i 4 Functional Characteristics Functional Characteristics The electrical, mechanical, environmental As standard, the FV421i detector is supplied with the characteristics and the performance of the FV421i following interfaces (See Fig. 4) to enable it to be detector must be taken into account while designing a connected to a wide range of monitoring equipment.
  • Page 12 4.1 Electrical Characteristics FlameVision Flame Detectors FV421i Electrical Characteristics Parameter Value Information Maximum current monitor 150 R (Source/Sink) The characteristics depend upon the interface resistor mode and the type of options that has been Table 2: General Electrical Characteristics (cont.) enabled.
  • Page 13 FlameVision Flame Detectors FV421i 4.1 Electrical Characteristics WARNING Detector Replacement configuration tool. See Appendix-A for details of MOD- When an S200i family detector is BUS registers. replaced by an FV421i the safety See the FV421i fixing instructions for connections and calculations must be re-done using barrier information.
  • Page 14 4.2 Performance Characteristics FlameVision Flame Detectors FV421i Performance Character- The FV421i detector can be used as a substitute or with a combination of S231i+ devices. istics The window cleanliness (OPM) is tested using a low 4.2.1 General power IR LED system. A built-in self-test is performed on the electronics and the pyro sensors.
  • Page 15 FlameVision Flame Detectors FV421i 4.3 Design of the System 4.2.2 False Alarm Immunity Range 30 m 40 m 50 m The FV421i detector has been subjected to the Time to Respond 3 sec 6 sec 15 sec following stimuli which might be considered potential Table 11: Range vs Time to Respond sources of false alarms.
  • Page 16 4.4 General Construction FlameVision Flame Detectors FV421i Once decided, the system designer can determine the area covered by each detector using a scaled plot based on Figs. 5 and 6 and the fire test data. This plot is best drawn to the same scale as the site plan so that direct superposition can be used to determine detector coverage.
  • Page 17 FlameVision Flame Detectors FV421i 4.4 General Construction Ionisation Radiation The Top Case of the enclosure is fitted with a window guard plate to protect the two detector windows. A The FV421i detector, like other triple IR detector, is locally formed section of this plate acts as a mirror for insensitive to X-rays and gamma radiation as used in the Optical Path Monitoring test.
  • Page 18 4.5 Environmental Characteristics FlameVision Flame Detectors FV421i 4.5.3 Electromagnetic Compatibility Parameter Value The FV421i detector complies with the following LED window Toughened glass requirements: Guard/label plate Stainless steel 316S16 to BS  European Union EMC Directive 2004/108/EC. 1449: Part 2 ...
  • Page 19 FlameVision Flame Detectors FV421i 4.7 Approvals, Compliance with Standards The detector complies with: 2.4 μH  IEC 60079-0:2011 Edition 6 4-20mA +VE (TB3-1) w.r.t.  IEC 60079-11:2011 Edition 6 4-20mA -VE (TB3-2)  EN 60079-0:2012+A11:2013 28 V  EN 60079-11:2012 93 mA It is certified as: ...
  • Page 20 4.7 Approvals, Compliance with Standards FlameVision Flame Detectors FV421i 4.7.5 Marking CPR Information All the markings required by the various approval bodies are on the front plate with the exception of:  The Year of Manufacture/Construction which is stated on a label affixed to the rear of the front case assembly.
  • Page 21 FlameVision Flame Detectors FV421i 5 Operation Operation Conventional Interface Flame Detection In the Conventional Interface mode, the LEDs Operation do not flash during power up to minimise power consumption. The FV421i detector has a range of integral interface options and various indicators to report alarms and faults.
  • Page 22 5.2 Indicators FlameVision Flame Detectors FV421i The pre-alarm condition will escalate into a full alarm if Indicator Description the source is determined to be a fire or it will clear if the Alarm LED source is removed. Fault LED Conventional Interface 50 mA at 20 V to 13 mA at 5.2.7 Fault and OPM Signalling...
  • Page 23 FlameVision Flame Detectors FV421i 5.2 Indicators 2 sec 2 sec 2 sec 2 sec 2 sec 2 sec 2 sec 2 sec System Fault 5 sec 5 sec 5 sec Hardware Fault 5 sec 5 sec 5 sec Window Cleanliness Fault 5 sec 5 sec 5 sec...
  • Page 24 5.2 Indicators FlameVision Flame Detectors FV421i Reference Document window will compromise the ability of the detector to For additional information on DIP Switches detect a fire. The detector briefly flashes an IR LED and Delay Settings, refer to the FV421i Intrin- which shines onto a mirror that reflects the energy back sically Safe Detectors Fixing Instructions.
  • Page 25 FlameVision Flame Detectors FV421i 6 Maintenance Maintenance General  Inspect the sealing washers on glands and the O- rings on stopper plugs regularly and replace them if The FV421i detector contains no replaceable or they are damaged. adjustable components within the housing, which ...
  • Page 26 6.2 Ordering Information FlameVision Flame Detectors FV421i The WT300 Walk-Test is a portable, hand-held and battery powered tool that can be used in hazardous areas to activate the window test and reset the FV421i detector. The WT300 is a remote control rather than a test torch.
  • Page 27 FlameVision Flame Detectors FV421i 6.3 MK300 Field Spares Kit Information MK300 Field Spares Kit Information Quantity Item Allen key Top case securing screws (M6) Top case body ‘O’ rings Top case screw retaining ‘O’ rings Top case to back box chain Screw (M6), washer and nut sets for securing...
  • Page 28 7 MODBUS Interface Specification FlameVision Flame Detectors FV421i MODBUS Interface Specification Introduction Electrical Interface The FV421i detector can connect to a MODBUS The FV421i detector’s MODBUS interface operates on network as a slave device conforming to V1.1 protocol a 2-Wire serial bus in accordance with EIA/TIA-485 specification.
  • Page 29 FlameVision Flame Detectors FV421i 7.6 Registers Offset Register Data Read/Write (R/W) Commands See 7.6 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Overall Status See 7.6.1 4-20 mA Current Loop 4-20mA level x 1000 for example, Alarm=17mA,Value=17000 Table 28: FV421i Detector Registers 7.6.1 Detector Command Register The base address for the register block is set in the...
  • Page 30 7.7 Command Transfer from PLC to FV421i Detector FlameVision Flame Detectors FV421i Command Transfer from  When completed, the FV421i detector sets the Command Done in the Overall Status register. PLC to FV421i Detector  The PLC will detect that the Command Done bit has ...
  • Page 31 FlameVision Flame Detectors FV421i 8 Conventional Zone Interface Specification Conventional Zone Interface Specification Number of detectors per This section summarises the design process for using multiple FV421i detectors on a conventional zone circuit zone (assuming only via a barrier. The circuit can be a zone circuit on a typical FV421i’s in the zone) conventional fire detection control equipment or a PLC that provides a regulated current monitoring circuit.
  • Page 32 8.1 Number of detectors per zone (assuming only FV421i’s in the zone) FlameVision Flame Detectors FV421i To calculate the required end-of-line (EOL) resistor: K x open-circuit voltage (V) Reol (Ω) = - 1084 short circuit current (A) Use the nearest E24 value either higher or lower. Use a +/- 1% resistor for stability.
  • Page 33 FlameVision Flame Detectors FV421i 8.2 Detector quiescent and alarm characteristics Detector quiescent and alarm characteristics The following graphs show +/-10% solid lines about the nominal shown as a dotted line. Quiescent supply current (mA) Supply voltage ((V) Fig. 17: Detector quiescent current Alarm current (mA)
  • Page 34 Safety Manual (IEC 61508) FlameVision Flame Detectors FV421i Safety Manual (IEC 61508) Functional Safety Param-  returning a value of 190 bits and above on the MX loop interface or eters  setting the alarm bit in the MODBUS status register. 9.1.1 Overview On the MX loop the FV421i detectors are polled regu-...
  • Page 35 FlameVision Flame Detectors FV421i Temperature Range Reference Document The FV421i detector is supplied as a self-contained product. It is implemented as an embedded solution For additional information on location guid- with the software integrated within the hardware. The ance, mounting and configuration details, safety functions start up and run automatically from refer to Section 4.3 on page 15 and the power up and cannot be disabled.
  • Page 36 120.515.203_FV-D-421i-A, doc. version 6.0, 28. July 2021 Further information about FlameVision Flame Detectors can be found on the Internet at www.zettlerfire.com Company stamp...